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The reaction conditions were optimized by varying different factors like time and type of electrode material. The prepared compounds were utilized as fluorescent probe for mercury ions. The fluorescence intensity of the synthesized Betti base derivatives\n                    <jats:bold>4a-e<\/jats:bold>\n                    was investigated and the highest fluorescence intensity was displayed by compound\n                    <jats:bold>4e<\/jats:bold>\n                    (the 2-fluorophenyl derivative). The Betti base\n                    <jats:bold>4e<\/jats:bold>\n                    showed excitation\/emission peaks at 368\/461 nm, respectively. The Betti based fluorescence was quenched by Hg\n                    <jats:sup>2+<\/jats:sup>\n                    ions. The fluorescent probe responded linearly to Hg\n                    <jats:sup>2+<\/jats:sup>\n                    concentration in the range of 0.2 to 10.0 \u00b5M. The limit of detection (LOD) was estimated to be 0.041 \u00b5M. The Stern-Volmer constant (K\n                    <jats:sub>sv<\/jats:sub>\n                    ) was calculated to be 2.69 \u00b1 0.07\u2009\u00d7\u200910\n                    <jats:sup>5<\/jats:sup>\n                    M\n                    <jats:sup>-1<\/jats:sup>\n                    .\n                  <\/jats:p>","DOI":"10.1186\/s13065-025-01638-4","type":"journal-article","created":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T07:53:13Z","timestamp":1762415593000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Electrochemical synthesis of Betti bases and their application as fluorescent probes for Hg2+ ions"],"prefix":"10.1186","volume":"19","author":[{"given":"Eman A.","family":"El-Khouly","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amr M.","family":"Mahmoud","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hala B.","family":"El-Nassan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,11,6]]},"reference":[{"key":"1638_CR1","doi-asserted-by":"publisher","first-page":"507","DOI":"10.1016\/j.tetasy.2010.03.020","volume":"21","author":"C Cardellicchio","year":"2010","unstructured":"Cardellicchio C, Capozzi MAM, Naso F. 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